A+ 1002: CH17 Review Flashcards
The vast majority of users will go with a _________ panel with a ________ backlight?
TN, direct LED
CCFL, direct LED
IPS, edge LCD
VA, direct LED
IPS, edge LCD
What is another term for thin film transistor (TFT) technology?
Active Matrix
Passive Matrix
Dual-Scan Passive Matrix
Dual Scan Matrix
Active Matrix
A Color LCD screen is composed of a large number of tiny liquid crystal molecules, called _________, arranged in rows and columns between polarizing filters?
backlights
inverters
sub-pixels
dots
sub-pixels
Which type of LCD monitor offers the best color?
vertical alignment
edge LED backlighting
Twisted pneumatic
in-plane switching
in-plane switching
What characteristics of a monitor is calculated by multiplying the number of horizontal pixels and the number of vertical pixels?
size
color
brightness
resolution
resolution
Which term describes the difference between the darkest and lightest spots that the monitor can display?
brightness formation
depth perception
pixilation
contrast ratio
contrast ratio
________ is considered to be a good contrast ratio?
450: 1
50: 1
250: 1
100: 1
450:1
Early LCD backlights use ______ technology, popular for its low power use, even brightness, and long life?
bright light
pixels
cold cathode fluorescent lamp
solar bulbs
cold cathode fluorescent lamp
A pixel that is stuck on pure white is known as _______ pixel?
burned-in
stuck
burned-out
lit
lit
A True 3D object is composed of a group of points called _______?
dimensions
pixels
vertices
triodes
vertices
Which LCD components are powered by a high-voltage electrical circuit that can give you a nasty shock?
CCFL frontlights
inverters
convergers
low-voltage b-nodes
inverters
A _______ is the amount of light given off by a light source from a certain angle that is perceived by the human eye?
nit
throw
lumen
pixel
lumen
What fast expansion card standard was developed to replace PCI and AGP?
LCD
PCIe
DVI
DirectX
PCIe
Some projectors use a connection technology called ______ that enables long-range connectivity for uncompressed HD video and audio over Cat 5a or Cat 6 network cables?
USB Type-C
Thunderbolt 1
MiniDisplayPort
HDBaseT
HDBaseT
The secret to understanding the most common type of LCD panels is to understand the concept of the _______ of light?
reflectiveness
color
polarity
length
polarity
Higher-end monitors are capable of _______ panels, meaning the monitor can display ______ color variations per channel, providing over 1 billion color variations?
24-bit, 16.7 million
30-bit, over 1 billion
8-bit, 256
10-biit, 1024
10-bit, 1024
Average LCD panels are around ______, which most monitor authorities consider excellent brightness?
100 kHz
300 nits
300 pixels
100 bits
300 nits
Which LCD component sends power to backlights that need AC electricity?
Inverter
TFT
Active Matrix
GDDR5
Inverter
One nit is equivalent to \_\_\_\_\_\_\_? one candela/m ten candellas/m2 one candela/m2 one lumen/m2
one candela/m2
If you hear a hissing sound coming from the LCD, which component is most likely about to fail?
battery
vacuum tube
inverter
yoke
inverter
What term identifies how many colors can be displayed on a screen?
Pixels
Color Depth
Megahertz
Nits
Color Depth
The proprietary ______ technology from Texas Instruments uses a single processor and an array of tiny mirrors to project a frontview image?
Direct LED Backlighting
Edge LED Backlighting
Digital Light Processing (DLP)
Brightness Formation
Digital Light Processing (DLP)
What aspect ratio is used in Widescreen Monitors?
16: 9
3: 4
10: 16
4: 3
16:9
Like any other processor, a graphics processor needs _______?
GPUs
RAM
AGP Buses
HDMI Connectors
RAM
